//: arrays/ComparatorTest.java
// Implementing a Comparator for a class.
package arrays;

import java.util.*;

import net.mindview.util.*;

import static net.mindview.util.Print.*;

class CompTypeComparator implements Comparator<CompType>
{
    public int compare(CompType o1, CompType o2)
    {
        return (o1.j < o2.j ? -1 : (o1.j == o2.j ? 0 : 1));
    }
}

public class ComparatorTest
{
    public static void main(String[] args)
    {
        CompType[] a = Generated.array(new CompType[12], CompType.generator());
        print("before sorting:");
        print(Arrays.toString(a));
        Arrays.sort(a, new CompTypeComparator());
        print("after sorting:");
        print(Arrays.toString(a));
    }
} /*
   * Output: before sorting: [[i = 58, j = 55], [i = 93, j = 61], [i = 61, j = 29] , [i = 68, j = 0], [i = 22, j = 7],
   * [i = 88, j = 28] , [i = 51, j = 89], [i = 9, j = 78], [i = 98, j = 61] , [i = 20, j = 58], [i = 16, j = 40], [i =
   * 11, j = 22] ] after sorting: [[i = 68, j = 0], [i = 22, j = 7], [i = 11, j = 22] , [i = 88, j = 28], [i = 61, j =
   * 29], [i = 16, j = 40] , [i = 58, j = 55], [i = 20, j = 58], [i = 93, j = 61] , [i = 98, j = 61], [i = 9, j = 78],
   * [i = 51, j = 89] ]
   */// :~
